Subdural empyema

From Greenberg's neurosurgery handbook,
for persian translation see rahimhamrah.blogfa.com

1. Subdural empyema Dr Rahim Hamrah

2. Pre 1943= Subdural Abcess Supporative infection under dura matter No barrier for its distribution in cerebral fissure Poor antibiotic penetration Different from intracerebral abcess (inflammatory reaction with fibrin and collagen capsule Complications: cerebral abcess , cortical venous thrombosis with venous infarction, regional cerebritis General Information

3. Direct distribution (diploid veins) Chronic otitis media Paranasal sinusitis Cranial traction device Trauma Others: osteomyalitis , pneumonia etiology

4. Differs with source of infection Sinusitis -> streptococci Trauma and iatrogenic -> staphylococci Sterile culture in 40% Microorganism

5. Sign and symptoms

6. CT MRI LP Evaluation

7. Draingae with Burr hole Craniotomy antiobiotic Treatment